Home / 217,461.51-326,286.18-117,692.15

Finding the Fourth Proportional to 217,461.51, 326,286.18 and 117,692.15

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Solution

The fourth proportional to 217,461.51, 326,286.18 and 117,692.15 is: 176,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,461.51 : 326,286.18 = 117,692.15 : x
  2. Step 2: Convert to fraction form
    217,461.51/326,286.18 = 117,692.15/x
  3. Step 3: Cross multiply
    217,461.51x = 326,286.18 × 117,692.15
  4. Step 4: Simplify right side
    217,461.51x = 38,401,320,408.06
  5. Step 5: Solve for x
    x = 38,401,320,408.06/217,461.51
  6. Step 6: Final answer
    x = 176,589.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.